{"coeffs": [-2.5085105243245795e-06, 0.013700946443108953, 2.6531591113042237, 0.31177734786992384], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.120698703445161e-06, 7.223948037670774, 166.76221800550218, 0.19992826015350093], "covariance": [[4.497362990793987e-12, -1.4119916132639544e-05, -0.0003261285410841189, -4.1223435080520904e-07], [-1.411991613311821e-05, 52.185425250967434, 1204.6804495574434, 1.4207223665818904], [-0.0003261285410951203, 1204.6804495573006, 27809.63735411464, 32.805098987245685], [-4.122343508123665e-07, 1.4207223665596034, 32.805098986735075, 0.03997130920800595]]}